Home / 146,682.20-220,109.70-53,175.80

Finding the Fourth Proportional to 146,682.20, 220,109.70 and 53,175.80

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Solution

The fourth proportional to 146,682.20, 220,109.70 and 53,175.80 is: 79,795.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,682.20 : 220,109.70 = 53,175.80 : x
  2. Step 2: Convert to fraction form
    146,682.20/220,109.70 = 53,175.80/x
  3. Step 3: Cross multiply
    146,682.20x = 220,109.70 × 53,175.80
  4. Step 4: Simplify right side
    146,682.20x = 11,704,509,385.26
  5. Step 5: Solve for x
    x = 11,704,509,385.26/146,682.20
  6. Step 6: Final answer
    x = 79,795.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.